A 100-year-old building in Mumbai, India, collapses, killing at least 10 people and leaving many others trapped.
As many as 27 children die and 25 others are hospitalized after eating lunch served at their school in eastern India.
Millennium Park, considered Chicago's first and most ambitious early 21st-century architectural project, is opened to the public by Mayor Richard M. Daley.
Iraqi President Ahmed Hassan al-Bakr resigns and is replaced by Saddam Hussein.
The Apollo 11 lunar landing mission is launched from Cape Kennedy in Florida, USA.
The storming of the cockpit of the Miss Macao passenger seaplane, operated by a subsidiary of the Cathay Pacific Airways, marks the first aircraft hijacking of a commercial plane.
World War II: The heavy cruiser USS Indianapolis leaves San Francisco with parts for the atomic bomb "Little Boy" bound for Tinian Island.
The world's first parking meter is installed in Oklahoma City, Oklahoma.
Emperor Haile Selassie signs the first constitution of Ethiopia.
Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
Max Reger's Hebbel Requiem is first performed in a memorial concert for the composer, conducted by Philipp Wolfrum.
Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
American Civil War: David Farragut is promoted to rear admiral, becoming the first officer in United States Navy to hold an admiral rank.
American Civil War: At the order of President Abraham Lincoln, Union troops begin a 25-mile march into Virginia for what will become the First Battle of Bull Run, the first major land battle of the war.
The city of La Paz, in what is today Bolivia, declares its independence from the Spanish Crown during the La Paz revolution and forms the Junta Tuitiva, the first independent government in Spanish America, led by Pedro Domingo Murillo.
American Revolutionary War: Light infantry of the Continental Army seize a fortified British Army position in a midnight bayonet attack at the Battle of Stony Point.
Father Junípero Serra founds California's first mission, Mission San Diego de Alcalá. Over the following decades, it evolves into the city of San Diego, California.